IV 
Contents 
. Page. 
Banks, Charles S. The bloodsucking insects of the Philippines 169 
Cockerell, T. D. A. The Prosopidse, or obtuse-tongued bees, of the 
Philippine Islands 191 
Cockerell, T. D. A. The Philippine bees of the families Anthopho- 
ridas and Melectidas 195 
C.'HiREON, Marciano. The absence of both hind legs below the femur 
in a full-term pig 201 
One plate. 
Haughwout, Frank G., and de Leon, Walfrido. On the ingestion 
of erythrocytes by Pentatrichomonas sp., found in a case of 
dysentery 207 
One plate. 
Witt, J. C. The effect of calcium sulphate on cement: Second paper., 221 
Two text figures. 
Panganiban, C. S., and Schobl, 0. Experience with methylene blue- 
eosin lactose agar in searching for Bacillus dysenterite in stools.... 235 
Merrill, E. D. Notes on the flora of Sumatra 239 
Reviews 251 
No. 3, March, 1919 
[Issued September 18, 1919.] 
Acosta-Sison, Honoria, and Calderon, Fernando. Pelvimetry and 
cephalometry among Filipino women and newborn babies: Made 
on one thousand two hundred thirty-seven cases 253 
Five text fi.gures. 
Aguilar, R. H. The lumbang-oil industry in the Philippine Islands ... 275 
Felt, E. P. New Philippine gall midges 287 
Beccari, 0. The palms of the Philippine Islands 295 
Three piates. 
Rbwiews 363 
No. 4, April, 1919 
[Issued September 19. 1919.] 
Merrill, E. D. New or noteworthy Philippine plants, XV 365 
No. 5, May, 1919 
[Issued December 1, 1919.] 
Johnston, John A. Some bacteriologic phases of the cholera-carrier 
problem 459 
Dar Juan, T., and Elicano, V. Philippine raw materials for glass 
making 465 
Three text fijrui’es. 
Padua, Regino G. Cystolithiasis among Filipinos in association with 
dietetic deficiency - 481 
One text fiR-ure. 
